Oblique penetration of an ogive-nosed rod into the aluminum target

WANG Feng; WANG Xiao-jun; HU Xiu-zhang1; LIU Wen-tao

doi:10.11883/1001-1455(2005)03-0265-06

Volume 25 Issue 3

Dec. 2014

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Article Navigation > Explosion And Shock Waves > 2005 > 25(3): 265-270

WANG Feng, WANG Xiao-jun, HU Xiu-zhang1, LIU Wen-tao. Oblique penetration of an ogive-nosed rod into the aluminum target[J]. Explosion And Shock Waves, 2005, 25(3): 265-270. doi: 10.11883/1001-1455(2005)03-0265-06

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WANG Feng, WANG Xiao-jun, HU Xiu-zhang1, LIU Wen-tao. Oblique penetration of an ogive-nosed rod into the aluminum target[J]. Explosion And Shock Waves, 2005, 25(3): 265-270. doi: 10.11883/1001-1455(2005)03-0265-06

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Oblique penetration of an ogive-nosed rod into the aluminum target

doi: 10.11883/1001-1455(2005)03-0265-06

1.
Department of Mechanics and Mechanical Engineering, University of Science and Technology of China, Hefei 230026, Anhui, China;
2.
Institute of Applied Physics and Computational Mathematics, Beijing 100088, China

Publish Date: 2005-05-25

Abstract

Abstract

Based on the Lagrange finite element method, briefly introduce a computational technique for sliding interface treatment in 3D oblique penetration. The slave elements used in conventional computations are abandoned, and at the same time the slave nodes are advanced. Thereby, the difficulties such as the master-slave element intersection, the sliding interface recognition, modification and redefinition encountered in 3D oblique penetration simulation calculations are avoided to insure high computational precision and efficiency. Numerical computations for the ogive-nosed steel rod penetrating into the aluminum target show that the computational results are in good agreement with the experimental results for both normal and oblique penetrations. Therefore, the method discussed and the program developed are reasonable and effective, and they are resultful for the numerical study on penetration and perforation.
- mechanics of explosion,
- penetration and perforation,
- sliding interface,
- ogive-nosed rod,
- residual velocity,
- finite element

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